Hello, I'm
Software Engineer
Get to know me
Hello, I am S. Sadrul Hossain, Seasoned Software Engineer with 7+ years of progressive experience building scalable, secure, and high-traffic applications across several major industry verticals — fintech, telecom, SaaS, defense/education distribution and export-import. From engineering PSO payment gateways with multi-provider integration to developing self-care applications for 66M+ subscriber base of Robi and Cirkle, I bring a proven ability to deliver complex solutions under tight deadlines with 100% sprint success rate. Technically deep in the Laravel ecosystem, Vue.js, and relational databases, with hands-on exposure to AI-assisted and spec-driven development practices, and a growing focus on system design, microservices architecture, and large-scale technical decision-making in pursuit of a software architecture career path.
Portonics Limited (Robi Single App Team) — building APIs for 
My Cirkle App, serving 56M+ Robi subscribers and 10M+ Cirkle subscribers Portonics Limited (Eagle App Team) — built APIs for 
ATOM Myanmar's agent app, serving 300k+ users
Daraz BD (Alibaba Group) — architected SaaS platforms for 5 business venturesWhat I bring
How I work
Communication
Team Work
Project Management
Creativity
Academic background
2017-18
Faculty: Mathematical & Physical Sciences
Department: Computer Science and Engineering
Result: CGPA 3.70 out of 4.00
2013-17
Faculty: Science and Information Technology
Department: Computer Science and Engineering
Result: CGPA 3.81 out of 4.00
2012
Milestone College
Division: Science
Result: GPA 5.00 out of 5.00
2010
Safiuddin Sarker Academy & College
Division: Science
Result: GPA 5.00 out of 5.00
Career path
Apr 2024 - Present
Oct 2023 - Mar 2024
Dec 2022 - Sep 2023
Sep 2019 - Nov 2022
Apr 2019 - Aug 2019
Selected work
Telecom
Telecom Customer App
The official customer app for Robi, Bangladesh's second-largest mobile operator. Building and maintaining backend APIs as part of the Robi Single App Team, serving 56M+ Robi subscribers.
Telecom
Telecom Customer App
Customer app for Cirkle, Robi's digital-first sub-brand. Building and maintaining backend APIs as part of the Robi Single App Team, serving 10M+ Cirkle subscribers.
Telecom
Telecom Agent App
Agent mobile application for ATOM Myanmar. Developed and deployed features and RESTful APIs using Flight PHP, serving a 300k+ user base of agents.
Business Solution
Sales & Order Tracking
End-to-end sales management and CRM platform built for Konita Trade International, covering order tracking and business analysis reporting for the sales team.
Business Solution
Retailing & Distribution Channel
Retail and distribution management platform for Arroz Limited, covering point-of-sale retailing, multi-tier distribution channels, inventory tracking, and SMS notifications for order updates.
E-commerce
E-commerce
Online storefront for rebekasattire.com with integrated payment and shipping gateways, plus order management, tracking, and inventory tools to run the clothing business end-to-end.
Business Solution
Inventory & Production Management
Production and inventory management system built for the laundry division of Sterling Group, tracking jobs from intake through processing to dispatch.
EdTech Solution
Assessment
Course and assessment management platform for the Armed Forces War Course (AFWC) at National Defence College, handling evaluation, result analysis, performance analytics, report generation, and a searchable reference archive.
EdTech Solution
Assessment
Course and assessment management platform for the School of Infantry and Tactics (SI&T), covering evaluation, result analysis, performance analytics, report generation, and a searchable reference archive.
“If future generations are to remember us more with gratitude than sorrow, we must achieve more than just the miracles of technology. We must also leave them a glimpse of the world as it was created, not just as it looked when we got through with it.”
Let's talk
If you are impressed with my skills and expertise and want to hire me or want to know more about me, please feel free to contact me. My details are below.